Jim Hager died at age 66 of a heart attack in 2008. Jon died at 67 of natural causes in 2009. The twins, adopted by a Methodist minister and a schoolteacher, grew up in the Chicago suburb of Park Ridge. After serving in the U.S. Army, they were signed to a contract by country music star Buck Owens, who caught their duo act at Disneyland. The Hagers performed on Hee Haw from 1969 until 1986.